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Diesel mechanics in Colorado: what they earn

Bus and Truck Mechanics and Diesel Engine Specialists in Colorado earned a median $70,480 a year in May 2025, $33.89 an hour. 4,600 people held the job, 1.6 for every 1,000 jobs in the state. That median is 14% above the national figure of $61,770, and Colorado ranks 9 of 51 by pay for this trade.

Median annual
$70,480
$33.89 an hour
Rank by pay
#9
of 51 with a published median
Employed in CO
4,600
1.6 per 1,000 jobs
Location quotient
0.86
1.00 = national concentration

The full wage spread in Colorado

PointHourlyAnnualMeaning
10th percentile$22.81$47,450A tenth of the workforce earns less than this.
25th percentile$28.51$59,300A quarter earn less.
Median$33.89$70,480Half earn less, half earn more.
75th percentile$38.36$79,780A quarter earn more.
90th percentile$46.37$96,450A tenth earn more than this.
Mean$34.14$71,010The average. Pulled up by the top earners.

Annual figures are the hourly rate times 2,080 hours, BLS's full-time year. Overtime is inside the survey's earnings but not separated out.

Pay by metro area in Colorado

Denver-Aurora-Centennial, CO employs the most diesel mechanics of the 7 metro areas based in Colorado that BLS publishes, 2,770, at a median $72,800 a year. The best-paid is Boulder, CO at $79,030.

MetroEmployedMedian annual10th pct90th pct
Denver-Aurora-Centennial, CO 2,770 $72,800 $50,450 $98,130
Greeley, CO 350 $62,850 $42,150 $95,630
Colorado Springs, CO 310 $63,910 $41,600 $86,900
Fort Collins-Loveland, CO 170 $64,160 $42,530 $88,520
Grand Junction, CO 160 $60,310 $45,720 $83,240
Boulder, CO 150 $79,030 $55,270 $94,100
Pueblo, CO 90 $60,990 $45,500 $82,560

Metropolitan statistical areas as BLS publishes them in the same May 2025 estimates. A metro that crosses a state line is listed only under its primary state, so part of a neighboring state's metro can sit outside this table. Areas outside any metro are not shown.

Colorado against its neighbors on the pay ladder

#StateMedian annualEmployed
6 Massachusetts $73,270 4,870
7 New Jersey $72,340 8,160
8 New Hampshire $71,390 1,040
9 Colorado $70,480 4,600
10 New York $70,100 13,230
11 Nevada $68,410 1,990
12 Connecticut $67,300 2,860

The complete ranking is on the Diesel mechanics page.

Against the national figure

FigureColoradoUnited States
Median annual$70,480$61,770
Median hourly$33.89$29.70
10th percentile, annual$47,450$44,530
90th percentile, annual$96,450$88,740
Employed4,600289,960

Apprenticeships in Colorado

U.S. Department of Labor records list 3 registered apprentices active in Colorado in fiscal year 2024 (October 2023 to September 2024) under the occupation titles DOL maps to bus and truck mechanics and diesel engine specialists (SOC 49-3031). The file's fiscal 2024 records largely stop after February 2024. In fiscal 2023, the latest year the file holds in full, no apprentice started under these titles. Of those who completed that year, 1 has an exit wage DOL counts, fewer than the 50 a median needs.

Find a registered program: DOL's Apprenticeship Finder → · Every state's count and wages for this trade →

Which wages DOL counts, which titles count and how the state is assigned are on the data page.

Other trades in Colorado

Electricians ($62,230) · Plumbers and pipefitters ($63,240) · HVAC technicians ($65,200) · Welders ($58,590) · Truck drivers (CDL) ($61,500) · Lineworkers (power-line installers) ($103,980) · Elevator installers ($123,360) · Ironworkers ($58,830) · Sheet metal workers ($57,880) · Carpenters ($62,830) · Brickmasons and blockmasons ($65,260) · Auto service technicians ($61,280) · Heavy equipment operators ($62,620) · Machinists ($60,200)

See all 15 ranked by pay in Colorado.

No state licensing records are sourced here for diesel mechanics. The steps into the trade are on the Diesel mechanics page. Numbers on this page are the May 2025 BLS estimates, apart from the apprenticeship figures, which are DOL's; see how the numbers are built.